What is a Spyder?
2.0 Spyder Basics 3.0 Troubleshooting 4.0 Other things about the Spyder… The stock barrel is aluminum and lined with brass…up to the muzzle brake where it becomes a thin piece of aluminum, prone to bending. If this piece causes a problem, it may be carefully removed with hand tools without significant effect on performance. 4.4 The Kingman manual 4.